Odo Mining & Accepting Shares

DECLARE_FUNC(odo) Approach

Update binding.gyp

Odo Compiling

Add OdoCyrpt Libs

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Revert "Update multihashing.cc"

This reverts commit 81f2c0a.

Update multihashing.cc

Update multihashing.cc

Update multihashing.cc

Odo Compile

Naming

Header

Match OdoMiner

Odo Compiles

Odo Config Update

Odo Config

Update multihashing.cc

Update odo.cc

Compile

Remove

Update multihashing.cc

Update odo.cc

Compile

Update Header

binding.gyp

@@ -4,6 +4,7 @@
             "target_name": "multihashing",
             "sources": [
                 "src/multihashing.cc",
+                "src/odo.c",
                 "src/bcrypt.c",
                 "src/blake.c",
                 "src/boolberry.cc",
@@ -60,6 +61,7 @@
                 "src/sha3/sph_sha2big.c",
                 "src/sha3/sph_tiger.c",
                 "src/sha3/hamsi.c",
+                "src/sha3/KeccakP-800-reference.c",
                 "src/crypto/lyra2.c",
                 "src/crypto/sponge.c",
                 "src/crypto/oaes_lib.c",
@@ -72,6 +74,7 @@
                 "src/crypto/aesb.c",
                 "src/crypto/sha256.c",
                 "src/crypto/wild_keccak.cpp",
+                "src/crypto/odocrypt.cpp",
                 "src/neoscrypt.c",
                 "src/crypto/yescrypt/yescrypt-best.c",
                 "src/crypto/yescrypt/yescryptcommon.c",

src/crypto/odocrypt.cpp

@@ -0,0 +1,302 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2018 The DigiByte developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "odocrypt.h"
+
+#include <algorithm>
+
+struct OdoRandom
+{
+    // LCG parameters from Knuth
+    const static uint64_t BASE_MULTIPLICAND = 6364136223846793005ull;
+    const static uint64_t BASE_ADDEND = 1442695040888963407ull;
+
+    OdoRandom(uint32_t seed):
+        current(seed),
+        multiplicand(1),
+        addend(0)
+    {}
+
+    // For a standard LCG, every seed produces the same sequence, but from a different
+    // starting point.  This generator gives the 1st, 3rd, 6th, 10th, etc output from
+    // a standard LCG.  This ensures that every seed produces a unique sequence.
+    inline uint32_t NextInt()
+    {
+        addend += multiplicand * BASE_ADDEND;
+        multiplicand *= BASE_MULTIPLICAND;
+        current = current * multiplicand + addend;
+        return current >> 32;
+    }
+
+    inline uint64_t NextLong()
+    {
+        uint64_t hi = NextInt();
+        return (hi << 32) | NextInt();
+    }
+
+    inline int Next(int N)
+    {
+        return ((uint64_t)NextInt() * N) >> 32;
+    }
+
+    template<class T, size_t sz>
+    void Permutation(T (&arr)[sz])
+    {
+        for (size_t i = 0; i < sz; i++)
+            arr[i] = i;
+        for (int i = 1; i < sz; i++)
+            std::swap(arr[i], arr[Next(i+1)]);
+    }
+
+    uint64_t current;
+    uint64_t multiplicand;
+    uint64_t addend;
+};
+
+OdoCrypt::OdoCrypt(uint32_t key)
+{
+    OdoRandom r(key);
+
+    // Randomize each s-box
+    for (int i = 0; i < SMALL_SBOX_COUNT; i++)
+    {
+        r.Permutation(Sbox1[i]);
+    }
+    for (int i = 0; i < LARGE_SBOX_COUNT; i++)
+    {
+        r.Permutation(Sbox2[i]);
+    }
+
+    // Randomize each p-box
+    for (int i = 0; i < 2; i++)
+    {
+        Pbox& perm = Permutation[i];
+        for (int j = 0; j < PBOX_SUBROUNDS; j++)
+        for (int k = 0; k < STATE_SIZE/2; k++)
+            perm.mask[j][k] = r.NextLong();
+        for (int j = 0; j < PBOX_SUBROUNDS-1; j++)
+        for (int k = 0; k < STATE_SIZE/2; k++)
+            perm.rotation[j][k] = r.Next(63) + 1;
+    }
+
+    // Randomize rotations
+    // Rotations must be distinct, non-zero, and have odd sum
+    {
+        int bits[WORD_BITS-1];
+        r.Permutation(bits);
+        int sum = 0;
+        for (int j = 0; j < ROTATION_COUNT-1; j++)
+        {
+            Rotations[j] = bits[j] + 1;
+            sum += Rotations[j];
+        }
+        for (int j = ROTATION_COUNT-1; ; j++)
+        {
+            if ((bits[j] + 1 + sum) % 2)
+            {
+                Rotations[ROTATION_COUNT-1] = bits[j] + 1;
+                break;
+            }
+        }
+    }
+
+    // Randomize each round key
+    for (int i = 0; i < ROUNDS; i++)
+        RoundKey[i] = r.Next(1 << STATE_SIZE);
+}
+
+void OdoCrypt::Encrypt(char cipher[DIGEST_SIZE], const char plain[DIGEST_SIZE]) const
+{
+    uint64_t state[STATE_SIZE];
+    Unpack(state, plain);
+    PreMix(state);
+    for (int round = 0; round < ROUNDS; round++)
+    {
+        ApplyPbox(state, Permutation[0]);
+        ApplySboxes(state, Sbox1, Sbox2);
+        ApplyPbox(state, Permutation[1]);
+        ApplyRotations(state, Rotations);
+        ApplyRoundKey(state, RoundKey[round]);
+    }
+    Pack(state, cipher);
+}
+
+template<class T, size_t sz1, size_t sz2>
+void InvertMapping(T (&res)[sz1][sz2], const T (&mapping)[sz1][sz2])
+{
+    for (size_t i = 0; i < sz1; i++)
+    for (size_t j = 0; j < sz2; j++)
+        res[i][mapping[i][j]] = j;
+}
+
+void OdoCrypt::Decrypt(char plain[DIGEST_SIZE], const char cipher[DIGEST_SIZE]) const
+{
+    uint8_t invSbox1[SMALL_SBOX_COUNT][1 << SMALL_SBOX_WIDTH];
+    uint16_t invSbox2[LARGE_SBOX_COUNT][1 << LARGE_SBOX_WIDTH];
+
+    InvertMapping(invSbox1, Sbox1);
+    InvertMapping(invSbox2, Sbox2);
+
+    uint64_t state[STATE_SIZE];
+    Unpack(state, cipher);
+    for (int round = ROUNDS-1; round >= 0; round--)
+    {
+        ApplyRoundKey(state, RoundKey[round]);
+        // LCM(STATE_SIZE, WORD_BITS)-1 is enough iterations, but this will do.
+        for (int i = 0; i < STATE_SIZE*WORD_BITS-1; i++)
+            ApplyRotations(state, Rotations);
+        ApplyInvPbox(state, Permutation[1]);
+        ApplySboxes(state, invSbox1, invSbox2);
+        ApplyInvPbox(state, Permutation[0]);
+    }
+    PreMix(state);
+    Pack(state, plain);
+}
+
+void OdoCrypt::Unpack(uint64_t state[STATE_SIZE], const char bytes[DIGEST_SIZE])
+{
+    std::fill(state, state+STATE_SIZE, 0);
+    for (int i = 0; i < STATE_SIZE; i++)
+    {
+        for (int j = 0; j < 8; j++)
+        {
+            state[i] |= (uint64_t)(uint8_t)bytes[8*i + j] << (8*j);
+        }
+    }
+}
+
+void OdoCrypt::Pack(const uint64_t state[STATE_SIZE], char bytes[DIGEST_SIZE])
+{
+    std::fill(bytes, bytes+DIGEST_SIZE, 0);
+    for (int i = 0; i < STATE_SIZE; i++)
+    {
+        for (int j = 0; j < 8; j++)
+        {
+            bytes[8*i + j] = (state[i] >> (8*j)) & 0xff;
+        }
+    }
+}
+
+void OdoCrypt::PreMix(uint64_t state[STATE_SIZE])
+{
+    uint64_t total = 0;
+    for (int i = 0; i < STATE_SIZE; i++)
+        total ^= state[i];
+    total ^= total >> 32;
+    for (int i = 0; i < STATE_SIZE; i++)
+        state[i] ^= total;
+}
+
+void OdoCrypt::ApplySboxes(
+    uint64_t state[STATE_SIZE],
+    const uint8_t sbox1[SMALL_SBOX_COUNT][1 << SMALL_SBOX_WIDTH],
+    const uint16_t sbox2[LARGE_SBOX_COUNT][1 << LARGE_SBOX_WIDTH])
+{
+    const static uint64_t MASK1 = (1 << SMALL_SBOX_WIDTH) - 1;
+    const static uint64_t MASK2 = (1 << LARGE_SBOX_WIDTH) - 1;
+
+    int smallSboxIndex = 0;
+    for (int i = 0; i < STATE_SIZE; i++)
+    {
+        uint64_t next = 0;
+        int pos = 0;
+        int largeSboxIndex = i;
+        for (int j = 0; j < SMALL_SBOX_COUNT / STATE_SIZE; j++)
+        {
+            next |= (uint64_t)sbox1[smallSboxIndex][(state[i] >> pos) & MASK1] << pos;
+            pos += SMALL_SBOX_WIDTH;
+            next |= (uint64_t)sbox2[largeSboxIndex][(state[i] >> pos) & MASK2] << pos;
+            pos += LARGE_SBOX_WIDTH;
+            smallSboxIndex++;
+        }
+        state[i] = next;
+    }
+}
+
+void OdoCrypt::ApplyMaskedSwaps(uint64_t state[STATE_SIZE], const uint64_t mask[STATE_SIZE/2])
+{
+    for (int i = 0; i < STATE_SIZE/2; i++)
+    {
+        uint64_t& a = state[2*i];
+        uint64_t& b = state[2*i+1];
+        // For each bit set in the mask, swap the corresponding bits in `a` and `b`
+        uint64_t swp = mask[i] & (a ^ b);
+        a ^= swp;
+        b ^= swp;
+    }
+}
+
+void OdoCrypt::ApplyWordShuffle(uint64_t state[STATE_SIZE], int m)
+{
+    uint64_t next[STATE_SIZE];
+    for (int i = 0; i < STATE_SIZE; i++)
+    {
+        next[m*i % STATE_SIZE] = state[i];
+    }
+    std::copy(next, next+STATE_SIZE, state);
+}
+
+inline uint64_t Rot(uint64_t x, int r)
+{
+    return r == 0 ? x : (x << r) ^ (x >> (64-r));
+}
+
+void OdoCrypt::ApplyPboxRotations(uint64_t state[STATE_SIZE], const int rotation[STATE_SIZE/2])
+{
+    for (int i = 0; i < STATE_SIZE/2; i++)
+    {
+        // Only rotate the even words.  Rotating the odd words wouldn't actually
+        // be useful - a transformation that rotates all the words can be
+        // transformed into one that only rotates the even words, then rotates
+        // the odd words once after the final iteration.
+        state[2*i] = Rot(state[2*i], rotation[i]);
+    }
+}
+
+void OdoCrypt::ApplyPbox(uint64_t state[STATE_SIZE], const Pbox& perm)
+{
+    for (int i = 0; i < PBOX_SUBROUNDS-1; i++)
+    {
+        // Conditionally move bits between adjacent pairs of words
+        ApplyMaskedSwaps(state, perm.mask[i]);
+        // Move the words around
+        ApplyWordShuffle(state, PBOX_M);
+        // Rotate the bits within words
+        ApplyPboxRotations(state, perm.rotation[i]);
+    }
+    ApplyMaskedSwaps(state, perm.mask[PBOX_SUBROUNDS-1]);
+}
+
+void OdoCrypt::ApplyInvPbox(uint64_t state[STATE_SIZE], const Pbox& perm)
+{
+    ApplyMaskedSwaps(state, perm.mask[PBOX_SUBROUNDS-1]);
+    for (int i = PBOX_SUBROUNDS-2; i >= 0; i--)
+    {
+        int invRotation[STATE_SIZE/2];
+        for (int j = 0; j < STATE_SIZE/2; j++)
+            invRotation[j] = WORD_BITS - perm.rotation[i][j];
+        ApplyPboxRotations(state, invRotation);
+        ApplyWordShuffle(state, INV_PBOX_M);
+        ApplyMaskedSwaps(state, perm.mask[i]);
+    }
+}
+
+void OdoCrypt::ApplyRotations(uint64_t state[STATE_SIZE], const int rotations[ROTATION_COUNT])
+{
+    uint64_t next[STATE_SIZE];
+    std::rotate_copy(state, state+1, state+STATE_SIZE, next);
+    for (int i = 0; i < STATE_SIZE; i++)
+    for (int j = 0; j < ROTATION_COUNT; j++)
+    {
+            next[i] ^= Rot(state[i], rotations[j]);
+    }
+    std::copy(next, next+STATE_SIZE, state);
+}
+
+void OdoCrypt::ApplyRoundKey(uint64_t state[STATE_SIZE], int roundKey)
+{
+    for (int i = 0; i < STATE_SIZE; i++)
+        state[i] ^= (roundKey >> i) & 1;
+}